Stapler



FIG. 1 is a front, right side perspective view of a stapler showing our new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG 4 is a left side elevational view thereof;

FIG. 5 is a front elevational view thereof; and,

FIG. 6 is a rear elevational view thereof.

The bottom of the claimed stapler is plane and unornamented. 

The ornamental design for a stapler, as shown and described. 